Abstract
The aim of this research was to determine the mechanical properties of pinewood, swollen in water and aqueous solutions of ethanol and acetone. For this purpose, pine sapwood specimens were swollen in water, ethanol, acetone and aqueous solutions of ethanol and acetone. Static bending and compression strength along the grain and deflection in bending were determined. The results of this study show that a strong correlation exists between the strength properties and the swelling degree of pine sapwood. Pure substances and aqueous solutions influenced the mechanical properties of wood in different ways. Pine sapwood, swollen in aqueous solutions of ethanol, has better elastic properties compared to wood, swollen in other organic liquids used in this study.
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